Cream fat, sugar, salt and rum-back. Stir in eggs bit by bit. Mix flour and baking powder and add by the spoonful. Finally knead until smooth with your hands. Cover the dough and refrigerate for about 30 minutes.
Finely chop the pineapple and knead it into the dough. Roll out to a thickness of approx. 3 mm on a lightly floured work surface. Cut strips of 20 x 2 cm and knot each carefully. Heat the fat to 180°C and fry the dough pieces for about 3 minutes.
Drain knots and dust with icing sugar. Results in about 35 pieces.